Height-adjustable leg



FIG. 1 is a front, top and right perspective view of a height-adjustable leg of our new design;

FIG. 2 is a rear, bottom and left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof, a left side view being a mirror image thereof; and,

FIG. 8 is a reference perspective view showing a state that the height-adjustable legs are attached to four corners on a bottom plate of a base on which a person can get.

The broken lines showing of additional height adjustable legs and platform structure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental designs for a height-adjustable leg, as shown and described. 